kimayanichelle kimayanichelle

25-03-2020
Chemistry

contestada

2. What is the concentration in percentage by mass when 18.0 grams of KNO3 is dissolved in 150 grams of
water?

Respuesta :

drpelezo drpelezo

25-03-2020

Answer:

%HNO₃ = 10.3%

Explanation:

%KNO₃ = (mass KNO₃/mass water + mass KNO₃)100%

=> (18.0/150+18)100% = 10.7% by weight

Answer Link

Otras preguntas

PLEASE HELP I NEED IT FAST

The first periodic table of elements was created in 1955. True or false

Which formula is used to indicate perfect progressive tense? A. be + verb + -ing B. have + been + verb + -ing C. have + verb + -ing D. will + verb

The pie chart shows information about voters in an election. 2800 more women vote than men. Work out the total number of voters.

Jackson mows lawns to make money. It costs him $7 each week to advertise his business. It costs him $1.50 in gas to mow each lawn, and he charges $10.00 for eac

Choose the correct price of the bicycle mentioned in the sentence? La bicicleta de montaña nueva cuesta $1,590.00. mil quinientos veinte dólares mil quinientos

Which of the following statements bestfits the ideology of socialism? A. Economic inequality is an unwanted effect of capitalism. B. Economic inequalit

¡Qué lástima! ____ el autobús. a. Tomé c. Perdí b. Vi d. Subí

Please Help asap . picture attach

the series 1/25, 1/36, 1/49 is convergent? true or false